Cryptochironomus redekei

Author: (Kruseman, 1933)

Exuviae 13.0, 15.1mm long (n=2).
Cephalothorax: Cephalic tubercles 385-470µm long, straight; 2.2-3.0x higher than broad (n=3) (113h.jpg). Frontal setae 20µm long (n=1). Thoracic horn with the anterior branch much larger than the others (113i.jpg). Posterior thoracic mound swollen a little anteriorly; anterior mound narrow conical.
Abdomen: Hook row II medially interrupted, length of row 0.25, 0.35 (0.07 gap) 0.25, 0.33x width tergite (n=2). Tergites I-VII with a complete posterior transverse row or narrow band of strong points; points I-VII: 33-49, 38-87, 16-26, 17-21, 16-21, 13-23, 23-26 (n=3). Ventral posterior transverse point rows present on segments I-V only; points I-V: 18/19, 10-18, 11-28, 16-27, 6-13 (n=3). Abdominal reticulation complete on tergites I-VI, partial on VII and VIII. Comb of segment VIII absent. Lateral taeniae of segments V-VIII: 4,4,4,4/5.
Anal segment: Fringe of anal lobe with 160 taeniae (n=1). Forked anal processes present (113e.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 356: Chironomini 253 Cryptochironomus of the Text Key.

Widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes